chore(deps): update dependency karma to v5.0.4

Author: renovate-bot

package-lock.json

@@ -74,7 +74,7 @@
     "concurrently": "5.2.0",
     "jasmine-core": "3.5.0",
     "jasmine-spec-reporter": "5.0.2",
-    "karma": "5.0.2",
+    "karma": "5.0.4",
     "karma-chrome-launcher": "3.1.0",
     "karma-cli": "2.0.0",
     "karma-coverage-istanbul-reporter": "2.1.1",